# Bostik Flashband Original – With Primer

Bostik Flashband 3.75 m x 100mm Self Adhesive Flashing Tape for Roofs is a flexible bitumen strip that bonds instantly to most building materials to provide a permanent, watertight seal.  
  
Flashband is easily applied using just hand pressure and a seam roller and is ideal for new build, maintenance, and repair projects, including:  
  
**Roofing**  

-   Replace damaged lead flashing
-   Seal upstands and eve pieces
-   Roof capping
-   Edge flashing on roofing felt
-   Repair roofing felt or joints on flat roofs

**Drainage**  

-   Seal or repair valley gutters, guttering and downpipes
-    Flashband has four layers of protection, meaning it’s both tear and impact-resistant and can withstand extreme temperatures of up to 100 °C.

**FOUR LAYERS OF PROTECTION**  
  

-   Lacquer coating
-   Heavy-duty aluminium foil
-   Tear-resistant polyester membrane
-   Polymer-enhanced bitumen adhesive

## Details

- **Price:** 14.01 GBP - 60.08 GBP
- **Vendor:** BOSTIK LIMITED (E52Z)
- **Type:** Accessories
- **Tags:** Accessories, Building Materials, Flashband, National, Roofing

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 3.75m / 100mm | 20.18 GBP | In stock |
| 3.75m / 150mm | 24.69 GBP | In stock |
| 10m / 75mm | 14.01 GBP | In stock |
| 10m / 100mm | 16.07 GBP | In stock |
| 10m / 150mm | 23.93 GBP | In stock |
| 10m / 225mm | 34.71 GBP | In stock |
| 10m / 300mm | 42.46 GBP | In stock |
| 10m / 450mm | 60.08 GBP | In stock |

## Images

- Bostik Flashband Original – With Primer

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> Source: [Carvers Building Supplies](www.carvers.co.uk/products/bostik-flashband-original-with-primer-3-75-x-100mm)
> Updated: 2026-06-18